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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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EMC2302 Fiches technique(PDF) 24 Page - SMSC Corporation |
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EMC2302 Fiches technique(HTML) 24 Page - SMSC Corporation |
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24 / 44 page  Dual RPM-Based PWM Fan Controller Datasheet Revision 1.1 (10-12-09) 24 SMSC EMC2302 DATASHEET 36h R/W Fan 1 Spin Up Configuration Sets the configuration values for Spin Up Routine of the Fan 1 driver 19h SWL Page 33 37h R/W Fan 1 Max Step Sets the maximum change per update for the Fan 1 driver 10h SWL Page 35 38h R/W Fan 1 Minimum Drive Sets the minimum drive value for the Fan 1 driver 66h (40%) SWL Page 36 39h R/W Fan 1 Valid TACH Count Holds the tachometer reading that indicates Fan 1 is spinning properly F5h SWL Page 36 3Ah R/W Fan 1 Drive Fail Band Low Byte Stores the number of Tach counts used to determine how the actual fan speed must match the target fan speed at full scale drive 00h SWL Page 37 3Bh R/W Fan 1 Drive Fail Band High Byte 00h SWL 3Ch R/W TACH 1 Target Low Byte Holds the target tachometer reading low byte for Fan 1 F8h No Page 37 3Dh R/W TACH 1 Target High Byte Holds the target tachometer reading high byte for Fan 1 FFh No Page 37 3Eh R TACH 1 Reading High Byte Holds the tachometer reading high byte for Fan 1 FFh No Page 38 3Fh R TACH 1 Reading Low Byte Holds the tachometer reading low byte for Fan 1 F8h No Page 38 Fan 2 Control Registers 40h R/W Fan 2 Setting Always displays the most recent fan driver input setting for Fan 2. If the RPM-based Fan Speed Control Algorithm is disabled, allows direct user control of the fan driver. 00h No Page 29 41h R/W PWM 2 Divide Stores the divide ratio to set the frequency for Fan 2 01h No Page 29 42h R/W Fan 2 Configuration1 Sets configuration values for the RPM- based Fan Speed Control Algorithm for Fan 2 2Bh No Page 30 43h R/W Fan 2 Configuration 2 Sets additional configuration values for the Fan 2 driver 28h SWL Page 31 45h R/W Gain 2 Holds the gain terms used by the RPM- based Fan Speed Control Algorithm for Fan 2 2Ah SWL Page 33 46h R/W Fan 2 Spin Up Configuration Sets the configuration values for Spin Up Routine of the Fan 2 driver 19h SWL Page 33 47h R/W Fan 2 Max Step Sets the maximum change per update for Fan 2 10h SWL Page 35 48h R/W Fan 2 Minimum Drive Sets the minimum drive value for the Fan 2 driver 66h (40%) SWL Page 36 Table 5.1 EMC2302 Register Set (continued) ADDR R/W REGISTER NAME FUNCTION DEFAULT VALUE LOCK PAGE |
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